I WAS DRIVING ALONG A ROAD AT 50 MPH WHICH WAS THE SPEED LIMIT , ALL OF A SUDDEN I GET SIGNALS ON THE CAR THAT THERE IS A POWER STEERING MALFUNTION. THE WHEEL LOCKED UP AND I COULD NOT EVEN TURN IT TO GET MY CAR TO SAFETY. I HIT A SIGN DUE TO ME NOT BEING ABLE TO TURN MY VEHICLE, MY FOOT WAS JAMMED AND I WAS TOSSED INTO THE STEERING WHEEL